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How sinkholes are created [Nature]
posted March 7 2013 20:16.23 by Giorgos Lazaridis

We have this very old saying in my country "The Earth opened underneath me feet and swallowed me down". Obviously, this comes from someone who observed... a sinkhole!

Sinkholes are created when the soil underneath the surface is corroded by subterranean water or other factors. Slowly the soil is eaten away leaving only a thin layer of crust. When this crust collapses, the sinkhole appears!

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 At 7 March 2013, 23:14:41 user Allan wrote:   [reply @ Allan]Maybe you don't want to live in Florida. Oh, yeah, alligators live there too. These nocturnal reptiles come out at night and crawl around, looking for small mammals to swallow. Need I say more ? Oh, yeah, if you happen to go to Florida, remember that hurricane season starts in September and runs through November. Don't say I didnt' warn you.At 7 March 2013, 23:11:43 user Giorgos Lazaridis wrote:   [reply @ Giorgos Lazaridis]@cheerio definitely. but we will have to scan the whole area! i remember 2 years before, i was on the road and i saw a huge hole in the ground and a truck inside the hole :D the hole was HUGE but not deepAt 7 March 2013, 22:42:23 user cheerio wrote:   [reply @ cheerio]How can we detect them? I would say infra sonic should do the job. By measuring the various echos we can pretty much calculate the composition and distance of the layers beneath our feet. This guy did not think about it long enough... But there is a downside. If we try to measure really deep then the impulses can fracture the layers of the ground and that can be bad for the water we love to drink :)